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Family Acroporidae

INDO-PACIFIC

& the NORTHWESTERN HAWAIIAN ISLANDS

Acropora gemmifera

Gardner Pinnacles, NWHI, 20 feet

 

Utulei, Tutuila, American Samoa, 5 feet

 

East Taema Bank, American Samoa, 60 feet

 

BUD ACROPORA

Common on shallow reefs exposed to wave action.  Compact hemispheres with stout conical branches tapering to a rounded tip, axial corallites small, tubular radial corallites of two sizes, large ones increasing in size toward the base.  Color variable, sometimes with branch tips of contrasting color.  Acropora samoensis has large radial corallites that do not increase in size below, Acropora retusa with appressed radial corallites.  Indo-Pacific & the central NWHI.

All coral skeletons illustrated are from scientific collections taken prior to 1998.